Home / 2,759.37-4,138.95-1,115.93

Finding the Fourth Proportional to 2,759.37, 4,138.95 and 1,115.93

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Solution

The fourth proportional to 2,759.37, 4,138.95 and 1,115.93 is: 1,673.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759.37 : 4,138.95 = 1,115.93 : x
  2. Step 2: Convert to fraction form
    2,759.37/4,138.95 = 1,115.93/x
  3. Step 3: Cross multiply
    2,759.37x = 4,138.95 × 1,115.93
  4. Step 4: Simplify right side
    2,759.37x = 4,618,763.45
  5. Step 5: Solve for x
    x = 4,618,763.45/2,759.37
  6. Step 6: Final answer
    x = 1,673.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.